#657893

CSS

:root {
  --infinity-and-beyond: #657893;
  --infinity-and-beyond-rgb: 101 120 147;
  --infinity-and-beyond-oklch: oklch(0.568 0.048 257.2);
}

.element {
  color: var(--infinity-and-beyond);
  background-color: hsl(215 19% 49%);
  border-color: oklch(0.568 0.048 257.2);
}

Tailwind CSS v4

@theme {
  --color-infinity-and-beyond: #657893;
  --color-infinity-and-beyond-50: #edf6ff;
  --color-infinity-and-beyond-100: #dfe9f8;
  --color-infinity-and-beyond-200: #c8d5e9;
  --color-infinity-and-beyond-300: #a9b8d0;
  --color-infinity-and-beyond-400: #8da0bb;
  --color-infinity-and-beyond-500: #7288a6;
  --color-infinity-and-beyond-600: #61738c;
  --color-infinity-and-beyond-700: #4d5c70;
  --color-infinity-and-beyond-800: #374353;
  --color-infinity-and-beyond-900: #262f3a;
  --color-infinity-and-beyond-950: #141b24;
}

SCSS

$infinity-and-beyond: #657893;
$infinity-and-beyond-rgb: 101, 120, 147;
$infinity-and-beyond-light: mix(#fff, $infinity-and-beyond, 20%);
$infinity-and-beyond-dark: mix(#000, $infinity-and-beyond, 20%);

.element {
  color: $infinity-and-beyond;
  box-shadow: 0 0 0 2px rgba($infinity-and-beyond, 0.35);
}